html,body{
    height: auto;
    width: 100%;
}
body{
    font-family: Microsoft Yahei UI;
}
*{
    margin: 0;
    padding: 0;
}
ol,ul{
    list-style: none;
    font-size:0.5rem;
}

a{
    text-decoration: none;
    color: gray;
}
span{
    font-size: 13px;
}